Putter head



FIG. 1 is a perspective sole view of my new design for a portion of a putter head;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a heel side view thereof;

FIG. 5 is a toe side view thereof; and,

FIG. 6 is a bottom view thereof.

The portion of the club head shown in phantom are for illustrative purposes only and do not form any portion of the claimed design. 

CLAIM The ornamental design for a putter head, as shown and described. 